4．表示重要、必要、困难、方便、可能

　　1）It is important（necessary，difficult，convenient， possible）for sb．to do sth．

　　2）We think it necessary to do sth．

　　3）It plays an important role in our life．

　　例： Computers are now being used everywhere，whether in the government，in schools or in business．Soon， computers will be found in every home，too．We have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the Computer Age．

　　5．表示措施

　　1）We should take some effective measures．

　　2）We should try our best to overcome（conquer）the difficulties．

　　3）We should do our utmost in doing sth．

　　4）We should solve the problems that we are confronted（faced）with．

　　例： The housing problem that we are confronted with is becoming more and more serious．Therefore，we must take some effective measures to solve it．

　　6．表示变化

　　1）Some changes have taken place in the past five years．

　　2）A great change will certainly be produced in the world’s communications．

　　3）The computer has brought about many changes in education．

　　例： Some changes have taken place in people’s diet in the past five years．The major reasons for these changes are not far to seek．Nowadays，more and more people are switching from grain to meat for protein，and from fruit and vegetable to milk for vitamins．

编辑:Liuxuepaper.Com

作文地带知识拓展:

• 模板 [mú bǎn] [mó bǎn]

  NA.template; mould; stencil; shuttering

  另有解释：templates; formwork; Normal.dot.

  formwork; mould; shuttering; follow board; form board; match board; match plate; mother plate; mounted pattern; pattern plate; template; form panel.

  ‌模板‌是指一种固定的格式或模型，用于标准化和简化创建特定类型文档或结构的过程。